Restructure code base

lib/matrix_server_web/request/create_room.ex

@@ -0,0 +1,38 @@
+defmodule MatrixServerWeb.Request.CreateRoom do
+  use Ecto.Schema
+
+  import Ecto.Changeset
+
+  alias Ecto.Changeset
+
+  @primary_key false
+  embedded_schema do
+    field :visibility, :string
+    field :room_alias_name, :string
+    field :name, :string
+    field :topic, :string
+    field :invite, {:array, :string}
+    field :room_version, :string
+    field :preset, :string
+    # TODO: unimplemented:
+    # creation_content, initial_state, invite_3pid, initial_state,
+    # is_direct, power_level_content_override
+  end
+
+  def changeset(params) do
+    %__MODULE__{}
+    |> cast(params, [
+      :visibility,
+      :room_alias_name,
+      :name,
+      :topic,
+      :invite,
+      :room_version,
+      :preset
+    ])
+    |> validate_inclusion(:preset, ["private_chat", "public_chat", "trusted_private_chat"])
+  end
+
+  def get_error(%Changeset{errors: [error | _]}), do: get_error(error)
+  def get_error(_), do: :bad_json
+end

lib/matrix_server_web/request/login.ex

@@ -0,0 +1,31 @@
+defmodule MatrixServerWeb.Request.Login do
+  use Ecto.Schema
+
+  import Ecto.Changeset
+
+  @primary_key false
+  embedded_schema do
+    field :type, :string
+    field :password, :string
+    field :device_id, :string
+    field :initial_device_display_name, :string
+
+    embeds_one :identifier, Identifier, primary_key: false do
+      field :type, :string
+      field :user, :string
+    end
+  end
+
+  def changeset(params) do
+    %__MODULE__{}
+    |> cast(params, [:type, :password, :device_id, :initial_device_display_name])
+    |> cast_embed(:identifier, with: &identifier_changeset/2, required: true)
+    |> validate_required([:type, :password])
+  end
+
+  def identifier_changeset(identifier, params) do
+    identifier
+    |> cast(params, [:type, :user])
+    |> validate_required([:type, :user])
+  end
+end

lib/matrix_server_web/request/register.ex

@@ -0,0 +1,33 @@
+defmodule MatrixServerWeb.Request.Register do
+  use Ecto.Schema
+
+  import Ecto.Changeset
+
+  alias Ecto.Changeset
+
+  @primary_key false
+  embedded_schema do
+    field :device_id, :string
+    field :initial_device_display_name, :string
+    field :password, :string
+    field :username, :string
+    field :inhibit_login, :boolean, default: false
+  end
+
+  def changeset(params) do
+    %__MODULE__{}
+    |> cast(params, [
+      :device_id,
+      :initial_device_display_name,
+      :password,
+      :username,
+      :inhibit_login
+    ])
+    |> validate_required([:password])
+  end
+
+  def get_error(%Changeset{errors: [error | _]}), do: get_error(error)
+  def get_error({:localpart, {_, [{:constraint, :unique} | _]}}), do: :user_in_use
+  def get_error({:localpart, {_, [{:validation, _} | _]}}), do: :invalid_username
+  def get_error(_), do: :bad_json
+end